@width:100vw/750;
.hear{
    width: 100%;
    height:84*@width;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    background-color: #f2f2f2;
}
.hear .logo{
    width: 105*@width;
    height:100%;
    background: url(../imgs/logo.png) no-repeat center /58*@width 47*@width;
}

.hear .seach{
    flex:1;
    height: 84*@width;
    position: relative;
    font-size: 0;
    padding: 12*@width 0;
}
.hear .seach .seach_icon{
    position: absolute;
    font-size: 0;
    width: 80*@width;
    height: 80*@width;
    background: url(../imgs/search.png) no-repeat -5*@width -3*@width ~'/'64*@width 64*@width;
}

.hear .seach input{
    width: 100%;
    height: 60*@width;
    font-size: 27*@width;
    text-indent: 2em;
    border-radius: 6*@width;
}
.hear .login{
    width: 105*@width;
    height:100%;
    background: url(../imgs/mine.png) no-repeat center /58*@width 58*@width;
}
/* 导航栏 */
.nav{
    width: 750*@width;
    margin-top: 84*@width;
}
.nav ul{
    display: flex;
    padding-left: 50*@width;
}
.nav ul li{
    font-size: 25*@width;
    margin-right: 60*@width;
}
.nav ul li:first-child{
    border-bottom: 2*@width solid #ec5b00;
}
.nav ul li a{
    height: 64*@width;
    line-height: 64*@width;
}
/* banner */
.banner img{
    width: 750*@width;
    height: 100%;
}
/* 菜单栏 */
.menu{
    height: 316*@width;
    width: 100%;
}
.menu ul{
    display: flex;
    flex-wrap: wrap;
}
.menu ul li{
    width: 20%;
}
.menu ul li img{
    width: 150*@width;
    height: 158*@width;
}
/* 商品 */
.goods{
    margin: 10*@width 15*@width 106*@width 15*@width;
}
.goods .goods_top{
    display: flex;
}
.goods .goods_top .goods_left{
    border-right: 5*@width solid #fff;
}
.goods .goods_top .goods_right img:first-child{
    border-bottom: 5*@width solid #fff;
}
.goods_bottom{
    margin-top: 5*@width;
}
/* 脚部 */
.footer{
    width: 100%;
    position: fixed;
    bottom: 0;
    height: 104*@width;
    background-color: #fff;
}
.footer ul{
    display: flex;
    font-size: 22*@width;
    justify-content: space-around;
    padding-top: 10*@width;
}
.footer ul li img{
    margin-bottom: 5*@width;
    width: 46*@width;
    height: 46*@width;
}